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ACTIVE PARTICIPATION OF THE HOSPITAL PHARMACIST IN THE OPTIMIZATION OF ANTIMICROBIAL THERAPY AFTER OBTAINING THE MICROBIOLOGICAL RESULTS

European Statement

Clinical Pharmacy Services

Author(s)

Pilar Aznarte-Padial, Lourdes Gutierrez-Zuñiga, Carmen Valencia-Soto, Sara Guijarro-Herrera, Carmen Hidalgo-Tenorio, Juan Pasquau-Liaño

Why was it done?

Re-evaluation of empirical antimicrobial treatment, after knowledge of the microbiological results, is a practice that contributes to the proper use of antimicrobials, but the consultation of these findings by the medical prescribers may be delayed. The hospital pharmacist is an essential member of Antibiotic Stewardship programs, who can maintain an individualised monitoring of prescription and maintaining direct communication with the medical prescribers. The monitoring of the antimicrobial prescriptions and the revision of microbiological results, allows us to carry out an individualised advice to optimise the antimicrobial therapy

What was done?

Pharmaceutical advices were sent from the Pharmacy Service to the prescribing doctor, through the Electronic Prescription Program (EPP) to optimize antimicrobial therapy after the microbiological results are known

How was it done?

From January 2015, together with daily monitoring of prescriptions of antibiotics, the results of microbiological cultures requested were consulted. We started to send warning messages from the Pharmacy Department to doctors, through EPP. Our goal was to advise in relation with microorganisms resistant to the prescribed antibiotic, microorganisms not covered and proposals of the de-escalation.

What has been achieved?

During 2015, we made 166 communications; 20 the same day of the discharge. Of the remaining 146, 46 were of de-escalation, 44 of resistant antimicrobials and 56 of non-covered microorganisms. Global acceptance was 80.1% (117/146): 80.1% of the de-escalation, 81.8% of antibiotic resistant microorganisms and 78.6% of non-covered microorganisms. The Services which received more advices were: Internal Medicine (57/146), General Surgery (38/146) and Pneumology (9/146), with an acceptance of 82.5%, 76.3% and 100.0%, respectively. The carbapenems were the most involved antibiotic group (58.9%). Ertapenem was involved in advices of non-covered microorganisms in 21.4%. The most commonly used antibiotics after the de-escalation were: fluoroquinolones (18.9%), beta-lactams with a beta-lactamase inhibitor (10.8%), fosfomycin (10.8%) and ampicillin (10.8%).

What next?

The acceptance degree obtained permits to consider this initiative as a valid strategy to optimize antibiotic prescriptions. This procedure reduces the use of restricted antibiotics, by lowering the cost of treatments and the resistance emergence.

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